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The contacts worn by a farsighted person allow her to see objects clearly that are as close as 25.0 cm, even though her uncorrected near point is 84.0 cm from her eyes. When she is looking at a poster, the contacts form an image of the poster at a distance of 175 cm from her eyes.
(a) How far away is the poster actually located?
(b) If the poster is 0.330 m tall, how tall is the image formed by the contacts?
Find the Band Structure and Band Occupancy
A pendulum of length 50cm is pulled 30 cm away from vertical axis and free from rest. What would be its speed at the bottom of its swing.
What is the magnitude of the maximum torque. What is the utmost load for this crane at an angle of 15° with the horizontal.
A long, straight wire has a 13.7 A current flowing in the positive x-direction. Close to wire is a square loop of copper wire that carries a 2.17 A current in direction shown. The near side of the loop is d = 46.3 cm away from the wire.
A person who weighs 684 N steps onto a spring scale in bathroom, and the spring compresses by 0.518 cm. (a) What is the spring constant? (b) What is the weight of another person who compresses spring by 0.328 cm.
Calculate the force required to move an object.
A blob of iron sinks form the surface of earth to the center. Assume the blob does not transfer any energy to its surroundings. Assume the density of earth is uniform.
A child throws a snowball with a horizontal velocity of 18m/s directly toward a tree, from a distance of 9m and a height above the ground of 1.5m.
An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg. It is anchored to the sea bottom by a cable.
determine the generating function for the transformation q=Q+Pt, p=P. Show that the hamiltonian H(p,q)=p^/2 + V(q) transforms to H'(P,Q)=V(Q+Pt)
A small boat is moving at a velocity of 3.35 m/s while it is accelerated by a river current perpendicular to the initial direction of motion. If current acceleration is 0.750 m/s^2, what will the new velocity of the boat be after 33.5 s.
What is the net entropy change
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